/* Bootstrap 5 bridge + light QuBiTech modernization (keeps Atropos + brand palette) */

:root {
    --qb-slate: #2e363f;
    --qb-slate-dark: #1b1f23;
    --qb-accent: #1980b6;
    --qb-accent-dark: #146794;
    --qb-accent-bright: #239ee0;
    --qb-surface: #f6f8fa;
    --qb-radius: 4px;
    --qb-shadow: 0 8px 28px rgba(27, 31, 35, 0.08);
}

/* --- BS3 → BS5 class aliases --- */
.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

.pull-left { float: left !important; }
.pull-right { float: right !important; }

@media (min-width: 992px) {
    .visible-md,
    .visible-lg {
        display: block !important;
    }
}

@media (max-width: 991.98px) {
    .visible-md,
    .visible-lg {
        display: none !important;
    }
}

/* Desktop: keep Atropos nav visible (BS5 .collapse hides by default) */
@media (min-width: 991px) {
    header#topNav div.nav-main-collapse.collapse {
        display: block !important;
        height: auto !important;
        visibility: visible !important;
        overflow: visible !important;
    }
}

/* Mobile: treat BS5 .show like BS3 .in */
@media (max-width: 990px) {
    header#topNav div.nav-main-collapse.collapse:not(.show):not(.in) {
        display: none !important;
    }

    header#topNav div.nav-main-collapse.collapse.show,
    header#topNav div.nav-main-collapse.collapse.in {
        display: block !important;
        width: 100%;
        overflow: hidden;
    }

    header#topNav div.nav-main-collapse {
        background: rgba(45, 52, 62, 0.96);
        border-radius: 0 0 var(--qb-radius) var(--qb-radius);
    }
}

/* Breadcrumb (BS5) */
.breadcrumb {
    --bs-breadcrumb-divider: "›";
    background: transparent;
    margin-bottom: 0;
    padding: 0;
}

.breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.55);
}

.breadcrumb .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.85);
}

/* --- Light visual polish (brand preserved) --- */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

header#topNav {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 10px 30px rgba(0, 0, 0, 0.12);
    transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

header#topNav a.logo img {
    transition: opacity 0.2s ease, transform 0.2s ease;
}

header#topNav a.logo:hover img {
    opacity: 0.92;
    transform: translateY(-1px);
}

/*
  BS5 .nav expects .nav-link for padding; Atropos uses bare li > a (BS3).
  Restore horizontal nav layout + hide BS5 dropdown caret (FA icon already present).
*/
header#topNav ul.nav,
header#topNav ul#topMain {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin: 0;
    padding-left: 0;
    list-style: none;
}

header#topNav ul#topMain > li {
    float: none;
    display: list-item;
    margin: 0;
}

header#topNav ul#topMain > li > a {
    display: block;
    padding: 10px 14px;
    white-space: nowrap;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease;
}

header#topNav ul#topMain > li.dropdown > a.dropdown-toggle::after {
    display: none;
}

header#topNav ul#topMain > li.dropdown > .dropdown-menu {
    margin-top: 0;
}

@media (max-width: 990px) {
    header#topNav ul#topMain {
        flex-direction: column;
        align-items: stretch;
    }

    header#topNav ul#topMain > li > a {
        padding: 12px 18px;
    }
}

.btn {
    border-radius: var(--qb-radius);
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background-color: var(--qb-accent);
    border-color: var(--qb-accent);
    box-shadow: 0 2px 0 rgba(20, 103, 148, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--qb-accent-dark);
    border-color: var(--qb-accent-dark);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.7rem 1.35rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.form-control {
    border-radius: var(--qb-radius);
    border-color: #cfd6dd;
    padding: 0.65rem 0.85rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--qb-accent);
    box-shadow: 0 0 0 0.2rem rgba(25, 128, 182, 0.18);
}

.contact-form label {
    font-weight: 600;
    color: var(--qb-slate);
    margin-bottom: 0.35rem;
}

.contact-form .mb-3 {
    margin-bottom: 1rem !important;
}

section.paddings,
section.padding80,
section.padding60 {
    position: relative;
}

section.special-row {
    background-color: var(--qb-surface);
}

.featured-box.nobg.border-only {
    border-radius: var(--qb-radius);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.featured-box.nobg.border-only:hover {
    transform: translateY(-3px);
    box-shadow: var(--qb-shadow);
}

div.featured-box i.fa {
    transition: transform 0.25s ease;
}

.featured-box:hover i.fa {
    transform: scale(1.08);
}

.item-box {
    border-radius: var(--qb-radius);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.item-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--qb-shadow);
}

.countTo strong {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.white-row {
    border-radius: var(--qb-radius);
    box-shadow: var(--qb-shadow);
}

footer .social.rounded {
    transition: transform 0.2s ease, background-color 0.2s ease;
}

footer .social.rounded:hover {
    transform: translateY(-2px);
}

.parallax .btn {
    margin-top: 0.5rem;
}

/* Services icons breathe a bit */
#services img.inner {
    margin-right: 1rem;
    margin-bottom: 0.75rem;
    border-radius: var(--qb-radius);
}

/* Softer callout on project pages */
.bs-callout {
    border-radius: var(--qb-radius);
    padding: 1.25rem 1.5rem;
}

/* Map responsive */
.contact-map {
    width: 100%;
    min-height: 320px;
    border: 0;
    border-radius: var(--qb-radius);
}

/* Fix Atropos vs BS5 row gutters on key sections */
#services .row,
#about .row,
#contact .row,
#parallax .row,
#portfolio .row {
    --bs-gutter-x: 1.5rem;
}